Friday, September 26, 2014

A "Testy Exchange"

The Tri-City Herald (9/24/14) used the incident of a man brandishing a gun in a dispute over a parking space to highlight plans for expanded parking at the Kadlec Regional Medical Center. The photo accompanying the article was captioned, “Limited parking near Kadlec leads to testy exchange.”

“Testy exchange?” Have we become so inured to gun violence in America that brandishing a gun in a dispute over a parking space is labeled “testy?” Have we lost our collective mind? Or have we just lost heart over the seeming inability to do anything about America’s gun violence?

In the same week we read about the “testy exchange” in a hospital parking lot, we read about a Florida man who shot his daughter and six grandchildren to death, then killed himself. We read about a “weapons enthusiast” in Pennsylvania who shot to death a Pennsylvania police officer and wounded another in an ambush.

As of the writing of this piece, other “testy exchanges” since January 1, 2014, have resulted in 8,972 gun deaths and 16,293 injuries.

It’s time we overcame the pernicious influence of the NRA and the gun industry and did something about America’s gun violence, at least here in Washington. Pass I-594.

Tuesday, September 2, 2014

I-591 vs I-594

With no good reason for passing Initiative-591, and defeating Initiative-594, the gun lobby resorts to the well-worn but widely accepted NRA shibboleths; registry and confiscation.

Let’s get somethings straight. Despite the inflammatory rhetoric incorporated in Philip Watson’s 8/31/14 argument for passing I-591, the much needed Initiative-594 would not create or enable a gun registry, nor enable future confiscation of lawfully owned firearms. Firearms cannot be seized without due process, and I-594 does not change that. Law enforcement is not now permitted to “enter your home and search your bedroom...without a warrant or court order,” nor would they be so authorized under I-594, no matter what the object of the search. There is no sensible reason for not passing I-594, and no good reason to pass I-591, which would prohibit Washingtonians from determining their own future.
I-594 is straight-forward. “All firearms sales or transfers are subject to background checks unless specifically exempted by federal or state law.” This requirement applies to all sales or transfers in whole or in part in Washington, including sales and transfers at gun shows and online. There are numerous exemptions that serve to protect Second Amendment rights, including the fact that gifts between family members are exempt from the background check.

I-594 is a step forward in protecting us from gun violence by criminals and the mentally ill. I-591 is a leap backward.

Vote "YES" on I-594. Vote "No" on I-591.

Tuesday, August 19, 2014

Thin Blue Band

 Buena Pond-Pond 6 between Zilla and Union Gap off Hwy I-82 is stocked with catchable size rainbow trout, as well as crappie, and channel catfish. A state record 36.2 lb cat was pulled from Pond 6 in 1999. If you’ve driven to Pond 6 from Richland, you’ve covered the distance our atmosphere stretches from the earth’s surface to the edge of space. According to NASA, our atmosphere, the unique feature of the planet responsible for life as we know it, is a paper-thin 60 miles in depth.

For the most part, we humans take the planet and its systems and resources for granted. The crux of the problem is that we see ourselves standing apart from our planet’s interacting physical, chemical, and biological systems. That is a natural, but faulty perception of reality. Humans are an integral part of the Earth’s biosphere. As our numbers have grown and our technology progressed, we’ve had an outsized impact on the planet and its climate.

In pictures taken from space we see the atmosphere as a fragile, thin blue band between the Earth’s surface and the blackness of space. Be warned, that thin, blue band is what keeps us alive.

Sunday, August 17, 2014

Will There Be Another Ice Age?

By Kara Rogers, Science Friday, April 10, 2013
If Earth's past climates tell us anything, it’s that ice will return. Over the last 2.6 million years, the planet has experienced a series of glacial periods separated by thaws, or interglacials. The next big chill could hit within two millennia—that is, if it weren’t for soaring levels of atmospheric carbon dioxide, driven by humans.

“Climate modelers have been warning for many years now that the net impact of human activities would prolong the current interglacial,” says Chronis Tzedakis, a climate scientist at University College London.

A medley of forces influences the glacial-interglacial cycle, including the amount of solar radiation reaching the Earth, which is controlled mainly by Earth's orbital shape and axial tilt, the composition of gasses and aerosols and extent of cloud cover in the atmosphere, and the reflectivity of Earth’s surface (for example, the extent of ice and vegetation cover at high latitudes). A reduction in incoming summer solar radiation would be the primary trigger for glaciation, but atmospheric CO2 concentrations—the primary driver of climate change—must be relatively low, too.

How low is “relatively low”? Tzedakis and colleagues compared ice and marine records from previous interglacials and found that, given the current small decrease in summer solar radiation, CO2 concentrations would have to fall to around 240 ppm for the next glacial period to take place.

Since the Industrial Revolution, however, atmospheric CO2 levels have been trending higher and higher. They reached an estimated 395.09 ppm globally in January 2013. So, if business proceeds as usual, with carbon release being driven primarily by fossil-fuel burning, we likely have a long thaw ahead of us. Modeling work by geophysical scientist David Archer has shown, for instance, that burning all potential fossil carbon on Earth—5,000 gigatons—would be enough to delay the next glaciation by 500,000 years.

That kind of hold-up would be a major deviation from the glacial-interglacial cycle that has played out over the last couple million years, in which glacial periods lasted about 80,000–90,000 years and interglacials about 10,000–20,000 years. (The current interglacial began about 11,500 years ago.)

The real question, then, might have more to do with the next “age,” generally, that we face, rather than the next ice age. Some scientists consider the current era to be defined by human influence, what Dutch chemist Paul J. Crutzen dubbed the Anthropocene Epoch, which has its origins in the Industrial Age.

Regardless of what comes next, it’s probably safe to say that we can’t expect a resurgence of woolly mammoths any time soon. Unless we clone them.

Friday, August 15, 2014

Where is the global warming?

As climate change has warmed the Earth, oceans have responded more slowly than land environments. But scientific research is finding that marine ecosystems can be far more sensitive to even the most modest temperature change.

Global warming caused by human activities that emit heat-trapping carbon dioxide has raised the average global temperature by about 1°F (0.6°C) over the past century. In the oceans, this change has only been about 0.18°F (0.1°C). This warming has occurred from the surface to a depth of about 2,300 feet (700 meters), where most marine life thrives.

Perhaps the ocean organism most vulnerable to temperature change is coral. There is evidence that reefs will bleach (eject their symbiotic algae) at even a slight persistent temperature rise. Bleaching slows coral growth, makes them susceptible to disease, and can lead to large-scale reef die-off.

Other organisms affected by temperature change include krill, an extremely important link at the base of the food chain. Research has shown that krill reproduce in significantly smaller numbers when ocean temperatures rise. This can have a cascading effect by disrupting the life cycle of krill eaters, such as penguins and seals—which in turn causes food shortages for higher predators.

Higher Sea Levels

When water heats up, it expands. Thus, the most readily apparent consequence of higher sea temperatures is a rapid rise in sea level. Sea level rise causes inundation of coastal habitats for humans as well as plants and animals, shoreline erosion, and more powerful storm surges that can devastate low-lying areas.

Stronger Storms

Many weather experts say we are already seeing the effects of higher ocean temperatures in the form of stronger and more frequent tropical storms and hurricanes/cyclones. Warmer surface water dissipates more readily into vapor, making it easier for small ocean storms to escalate into larger, more powerful systems.

These stronger storms can increase damage to human structures when they make landfall. They can also harm marine ecosystems like coral reefs and kelp forests. And an increase in storm frequency means less time for these sensitive habitats to recover.

Other Consequences

Warmer sea temperatures are also associated with the spread of invasive species and marine diseases. The evolution of a stable marine habitat is dependent upon myriad factors, including water temperature. If an ecosystem becomes warmer, it can create an opportunity where outside species or bacteria can suddenly thrive where they were once excluded. This can lead to forced migrations and even species extinctions.

Warmer seas also lead to melting from below of polar ice shelves, compromising their structural integrity and leading to spectacular shelf collapses. Scientists also worry that warmer water could interrupt the so-called ocean conveyor belt, the system of global currents that is largely responsible for regulating Earth's temperature. Its collapse could trigger catastrophically rapid climate changes.

Will It Continue?

The only way to reduce ocean temperatures is to dramatically reign in our emission of greenhouse gases. However, even if we immediately dropped carbon dioxide emissions to zero, the gases we've already released would take decades or longer to dissipate.


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